WO2015192296A1 - Système de câble composite optique-électrique - Google Patents

Système de câble composite optique-électrique Download PDF

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Publication number
WO2015192296A1
WO2015192296A1 PCT/CN2014/079958 CN2014079958W WO2015192296A1 WO 2015192296 A1 WO2015192296 A1 WO 2015192296A1 CN 2014079958 W CN2014079958 W CN 2014079958W WO 2015192296 A1 WO2015192296 A1 WO 2015192296A1
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WO
WIPO (PCT)
Prior art keywords
cable
fiber
optical
composite cable
optical fiber
Prior art date
Application number
PCT/CN2014/079958
Other languages
English (en)
Chinese (zh)
Inventor
邵起明
郑明吉
阴子阳
Original Assignee
奇点新源国际技术开发(北京)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 奇点新源国际技术开发(北京)有限公司 filed Critical 奇点新源国际技术开发(北京)有限公司
Priority to CN201480050941.4A priority Critical patent/CN105830177B/zh
Priority to PCT/CN2014/079958 priority patent/WO2015192296A1/fr
Publication of WO2015192296A1 publication Critical patent/WO2015192296A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/22—Cables including at least one electrical conductor together with optical fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands

Definitions

  • the invention relates to the field of communication technologies, and more particularly to an optoelectric composite cable system.
  • the photoelectric composite cable is a cable in which an insulated conductor is added to the optical cable to integrate the optical fiber and the power transmission line.
  • the photoelectric composite cable can simultaneously solve the problem of equipment power and equipment signal transmission, that is, retaining the characteristics of the optical cable while meeting the relevant requirements of the cable. Therefore, opto-electric composite cables are increasingly being used in network cabling systems. At present, the opto-electric composite cable is only used as a single transmission connection device, that is, for transmitting optical signals and electricity.
  • the above-mentioned photoelectric composite cable is connected to an external device (for example, a transmitting device, a receiving device, etc.) to realize functions such as transmission and interaction of optical signals and electricity.
  • an external device for example, a transmitting device, a receiving device, etc.
  • the opto-electric composite cable and the external device need to reserve the wiring port or the connector separately.
  • the operation is complicated and the position setting or variation of the external device is not flexible enough.
  • the external device needs When replacing the wiring position, the operator needs to re-wire the wiring. This results in inefficient wiring of the external device and the opto-electric composite cable.
  • an optoelectric composite cable system including an opto-electric composite cable and at least one external module; wherein each of the external modules includes a housing, a PCB board, a first power take-off, a second power take-off member and a crimping plate; a gap is formed at both ends of the casing, the gap and the crimping plate constitute a through hole for the photoelectric composite cable to pass through, the crimping plate and the crimping plate
  • the housing forms a module cavity;
  • the PCB is disposed in the cavity of the module, the optical cable of the optoelectric composite cable has an external optical fiber, and the optical module is disposed on the PCB, and the optical module is connected to the external optical fiber to form
  • the sealed outer sheath of the photoelectric composite cable has a cable area, a fire line area and a ground line area separated from each other, and the optical cable is disposed in the cable area, the fire line cable The ground wire is disposed in the ground area, and the ground cable is disposed in the ground area.
  • the optical cable comprises a plurality of single-core tight-fitting optical fibers, at least one of the single-core tight-fitting optical fibers is used as an outgoing optical fiber, and each of the outgoing optical fibers corresponds to one of the external modules; a portion of the sealing outer sheath corresponding to the cable region is provided with a cut-off port for cutting off the lead-out optical fiber, and an optical fiber extraction slit for spacing the cut-off end of the lead-out optical fiber.
  • the lead-out optical fiber includes a front end optical fiber and a rear end optical fiber, and the number of the optical fiber cutouts corresponding to each of the lead-out optical fibers is one, and the front end optical fiber passes through the optical fiber extraction slit as the external optical fiber.
  • the optical cable comprises a single-core tight-fitting optical fiber, and at least one of the single-core tight-fitting optical fibers is used as an outgoing optical fiber; and the sealed outer sheath corresponds to the optical cable area.
  • a cut-off port for cutting off the lead-out optical fiber, and an optical fiber extraction slit for spacing the cut-off end of the lead-out optical fiber, and the lead-out optical fiber includes a front end fiber and a rear end fiber;
  • the fiber extraction slit corresponding to the lead fiber includes a front end fiber extraction slit and a rear end fiber extraction slit respectively located at two sides of the cutting port, and the front end fiber is drawn out from the front end fiber, and the rear end fiber is self-inserted
  • the back end fiber extraction slit is passed out;
  • the optoelectric composite cable system further includes an optical splitter connected to the front end optical fiber and configured to divide the front end optical fiber into a main path optical fiber and a branch optical fiber, where the main a road fiber connected to the back fiber, the branch The optical fiber is used as the external optical fiber.
  • the optical cable comprises a single-core tight-fitting optical fiber, and at least one of the single-core tight-fitting optical fibers is used as an outgoing optical fiber; and the sealed outer sheath corresponds to the optical cable area.
  • a cut-off port for cutting off the lead-out optical fiber, and an optical fiber extraction slit for spacing the cut-off end of the lead-out optical fiber, and the lead-out optical fiber includes a front end fiber and a rear end fiber;
  • the fiber extraction slit corresponding to the lead fiber includes a front end fiber extraction slit and a rear end fiber extraction slit respectively located at two sides of the cutting port;
  • the external module is an external module with an optical splitter, and the front end optical fiber is self-owned
  • the front end fiber extraction slit is pierced and connected to the input end of the external module, the rear end fiber is taken out from the rear end fiber extraction slit, and is connected to the output end of the external module, the front end fiber
  • the optical fiber is divided into the external optical fiber connected to the optical module by the optical splitter.
  • a portion of the surface of the optoelectric composite cable corresponding to the cable region and a portion corresponding to the ground region or the live region is formed to accommodate the outgoing fiber to pass through the optical fiber. Pull out the groove of the slit portion.
  • the center lines of the cable area, the live line area and the ground line area are all located in the same plane, and the fire line area and the ground line area are symmetrically distributed on both sides of the cable area.
  • the center line of the cable area, the live line area, and the ground line area are all located in the same plane, and one of the fire line area and the ground line area is located between the other one and the cable area; or And the live line area and the ground line area are symmetrically distributed on both sides of the cable area, and in the same cross section of the photoelectric composite cable, the center line of the live line area and the center line of the cable area are connected
  • the angle between the first straight line to the second line where the center line of the ground line area and the center line of the cable area are located is greater than 0 degrees and less than 180 degrees.
  • the optoelectronic composite cable further includes a reinforcing rib, the reinforcing ribs are one in number, and are disposed at a center of the cable area, the optical cable includes a plurality of single-core tight-fitting optical fibers, and the plurality of the single-core tight-fitting optical fibers Evenly distributed around the reinforcing rib; or the photoelectric composite cable further includes a plurality of reinforcing ropes, the optical cable includes a plurality of single-core tight-fitting optical fibers, and the reinforcing ropes are discretely distributed in the plurality of the single-core tight Between the fibers.
  • the first power take-off member and the second power take-off member are respectively fixed on the casing through a tray, and the portions of the two that pass through the top surface of the tray are used for wearing Inserting the live wire or the ground cable to achieve the intrusion portion in contact with the metal core; or, the first power take-off member and the second power take-off member are both fixed to the casing through the tray, And the portion of the two that protrudes from the top surface of the tray is a clamping portion for clamping the metal core of the live wire or the ground cable; and/or the first power take-off and the second
  • the head end of the power take-off piece connected to the PCB board has a spring probe for adjusting the length of the connection.
  • the crimping plate is one piece, and one side of the crimping plate is hinged to the casing, and the other side is engaged with the casing by a snap;
  • the two crimping plates are two, and the two crimping plates are both hinged to the housing on one side, and the other side is fastened to the housing by a snap, and the two crimping plates are
  • the hinge sides hinged to the housing are respectively located on opposite sides of the housing.
  • the photoelectric composite cable provided by the invention comprises an optoelectronic composite cable and at least one external module.
  • the crimping plate is opened to connect the external optical fiber of the photoelectric composite cable with the optical module of the external module, and then the crimping plate is pressed.
  • the first power take-off and the second power take-off are respectively contacted with the live wire of the opto-electric composite cable and the metal core of the ground cable to achieve power take-off.
  • the process of connecting the external module to the photoelectric composite cable can reduce the wiring operation of the photoelectric connection, and solves the problem of low connection efficiency of the external device and the photoelectric composite cable in the background art.
  • the photoelectric composite cable and the external module are fixed together, so that the external module directly attaches to the outside of the photoelectric composite cable, so that it is relatively fixed with the photoelectric composite cable, and no additional fixing device is needed, thereby reducing the occupied space.
  • the operator can fine-tune the position of the external module by bending or coiling the photoelectric composite cable to achieve better use effect, that is, the position of the external module can be adjusted by adjusting the photoelectric composite cable to solve the problem.
  • the problem that the position setting or change of the external module is not flexible is convenient to optimize the local use effect.
  • the external fiber can be formed at any position of the opto-electric composite cable.
  • the photoelectric composite cable provided by the invention can improve the flexibility of connecting the photoelectric composite cable with the external module, and finally can improve the adaptability of the network wiring system to the construction site.
  • the photoelectric composite cable system provided by the invention adopts a single-core tight-set optical fiber, that is, the optical fiber in the optical cable is a single single-core tight-set optical fiber, and the operator is relatively easy to perform this type of optical fiber.
  • the sealed outer sheath of the photoelectric composite cable provided by the invention has a cable area, a fire line area and a ground line area separated from each other, and the isolation distribution of the above three areas can realize the isolation arrangement of the fire line cable, the ground line cable and the optical cable, and further
  • the photoelectric connection work can be carried out separately, and does not affect each other, and finally the problem that the cable and the optical cable are separately connected by the cable and the optical cable can be solved.
  • the optoelectronic composite cable provided by the present invention adopts a regional isolation layout so that two relatively independent cables can function as reinforcing ribs without transmitting their own torque to the relatively fragile optical fiber.
  • the optical cable and the cable layout form of the photoelectric composite cable provided by the invention are novel, which makes the manufacturing process of the photoelectric composite cable more reasonable, is beneficial to the improvement of product quality, and at the same time makes the structure of the outer jacket of the plastic package more stable.
  • the photoelectric composite cable of the photoelectric composite cable system provided by the invention is provided with reinforcing ribs, strengthens the tensile performance of the photoelectric composite cable, and reduces the wiring stress of the entire photoelectric composite cable.
  • the photoelectric composite cable of the photoelectric composite cable system provided by the invention is provided with a plurality of reinforcing ropes, and the reinforcing rope strengthens the tensile performance of the photoelectric composite cable, and can effectively supplement the single core in the photoelectric composite cable.
  • the gap formed by the tighter number of fibers is beneficial to improve the mechanical properties of the entire opto-electric composite cable.
  • FIG. 1 is a longitudinal cross-sectional view of an optoelectric composite cable system according to an embodiment of the present invention
  • FIG. 2 is a longitudinal cross-sectional view of an optoelectronic composite cable system according to an embodiment of the present invention
  • 4 is a transverse cross-sectional view of the external module provided by the embodiment of the present invention
  • FIG. 5 is a first structural schematic view of the photoelectric composite cable provided by the embodiment of the present invention
  • FIG. 6 is a structure of the optical composite cable shown in FIG.
  • FIG. 7 is a schematic structural view of the photoelectric composite cable shown in FIG. 5 adopting a distributed branching application mode
  • FIG. 8 is a schematic structural view of the photoelectric composite cable shown in FIG. 5 adopting a bypass module through-application mode;
  • FIG. 10 is a schematic view showing a third structure of the photoelectric composite cable according to the embodiment of the present invention
  • FIG. 11 is a fourth structural diagram of the photoelectric composite cable according to the embodiment of the present invention
  • FIG. 12 is a schematic structural view of the photoelectric composite cable shown in FIG. 11 in a bundle through mode
  • FIG. 13 is a schematic diagram of the photoelectric composite cable shown in FIG.
  • FIG. 14 is a schematic structural view of the photoelectric composite cable shown in FIG. 11 in a straight-through application mode
  • FIG. 15 is a fifth structural schematic diagram of the photoelectric composite cable according to the embodiment of the present invention.
  • Figure 16 is a schematic view showing the structure of the photoelectric composite cable shown in Figure 15 in a bundle through mode; 17 is a schematic structural view of the opto-electric composite cable shown in FIG. 15 in a distributed shunt application mode;
  • FIG. 18 is a schematic structural view of the opto-electric composite cable shown in FIG. 15 adopting a shunt module through-application mode;
  • FIG. 19 is an embodiment of the present invention;
  • a longitudinal cross-sectional view of another external module is provided.
  • FIG. 20 is a transverse cross-sectional view of another external module according to an embodiment of the present invention.
  • Embodiments of the present invention provide a photoelectric composite cable system, which solves the problem that the connection efficiency between the external device and the photoelectric composite cable is low and the position setting or variation of the external device is not flexible enough in the background art.
  • the above-mentioned objects, features and advantages of the embodiments of the present invention will become more apparent and understood.
  • the program is explained in further detail. Referring to Figure 1, there is shown a longitudinal cross-sectional view of an optoelectric composite cable system in accordance with an embodiment of the present invention.
  • the optoelectronic composite cable system shown in FIG. 1 comprises an opto-electric composite cable 4 and at least one external module.
  • the opto-electric composite cable has the same composition as the currently used opto-electric composite cable, and includes an optical cable, a live cable and a ground cable.
  • the external module includes a housing 3, a PCB (Printed Circuit Board) 10, a first power take-off member, a second power take-off member, and a crimping plate 2.
  • the housing 3 is the outer casing of the external module, providing a mounting base for the other components of the external module.
  • the casing 3 may be made of ABS (Acrylonitri le Butadiene ene Styrene copolymers) material, or may be made of other kinds of hard materials.
  • the casing 3 is a cavity structure with an open top end, and a slit is provided at both ends thereof, and the slit and the crimping plate 2 constitute a through hole 302 through which the photoelectric composite cable 4 passes.
  • the casing 3 may have a square structure or a ship structure.
  • the casing 3 has a ship-shaped structure, and the ship-shaped structure has a streamlined structure, facilitates wiring in a complicated environment such as a ceiling, and can avoid stress concentration when subjected to an external force, thereby reducing the probability of damage of the casing 3.
  • the crimping plate 2 cooperates with the housing 3 to form a module cavity.
  • the opening and closing of the crimping plate 2 can open and close the cavity of the module.
  • the crimping plate 2 may be made of an ABS material or may be made of other kinds of hard materials, and the present invention does not limit the material of the crimping plate 2.
  • directly opening the crimping plate 2 to photoelectric composite The cable 4 is placed into the inner cavity of the module, and the portion of the optoelectronic composite cable 4 that protrudes from the external module is placed in the through hole 302, and then the crimping plate 2 is covered to fix the optical composite cable 4.
  • a manner of fitting the crimping plate 2 and the housing 3 is as follows:
  • the crimping plate 2 is a piece, one side of the crimping plate 2 is hinged to the housing 3, and the other side of the crimping plate 2 passes through the housing 3
  • the buckle is snapped. Wherein one side is opposite to the other side.
  • the operator can realize the opening and closing of the crimping plate 2 by shaking or pressing, thereby realizing the quick and fixed connection between the photoelectric composite cable 4 and the external module.
  • the entire crimping plate 2 is closed to achieve compression of the photoelectric composite cable, and the entire photoelectric composite cable 4 is released when the crimping plate 2 is opened.
  • the crimping plate 2 in the embodiment is two pieces, and the two crimping plates 2 are assembled in the same manner as the housing 3, and both sides are
  • the housing 3 is hinged, and the opposite side is engaged with the housing 3 by a snap.
  • the hinged sides of the two crimping plates 2 and the casing 3 are respectively located on opposite sides of the casing 3, and the structure can make the opening directions of the two crimping plates 2 opposite, and further When one of the crimping plates 2 is in a pressed state, the other crimping plate 2 is opened to operate the corresponding portion.
  • the above two crimping plates 2 can make the pressing force of the crimping plate 2 to the entire photoelectric composite cable 4 relatively balanced, and the stability of the pressing can be improved.
  • the crimping plate 2 is connected to the housing 3 in a snap-fit manner.
  • the card connection method can quickly and firmly realize the connection between the crimping plate 2 and the casing 3, thereby realizing quick and firm fixing of the photoelectric composite cable 4 and the external module.
  • the size of the crimping hole formed by the fixing of the casing 3 and the crimping plate 2 is slightly smaller than the outline size of the optoelectric composite cable 4.
  • the external module provided by the embodiment of the present invention further includes a cover plate 1, and two sides of the cover plate 1 and the two sides of the housing 3 are provided with mutually matching connecting members.
  • the cover plate 1 is fixedly pressed to the outside of the crimping plate 2 by a connecting member.
  • the cover 1 can be a sliding cover.
  • the manner of the cover 1 and the housing 3 can be as follows: The outer walls of the two sides of the housing 3 are provided with a recess 301, and the two sides of the cover 1 have grooves and grooves.
  • the top surface of the cover plate 1 in this embodiment may be provided with a non-slip portion 101, such as a non-slip structure such as a non-slip groove, a non-slip projection.
  • the crimping plate 2 and the housing 3 can also be carried out in other kinds of manners, for example, in the same manner as the cover 1 and the housing 3 are fitted. Since the cooperation of the protrusions and the grooves is relatively stable, the external module may not require the cover 1. At this time, the cooperation of the opto-electric composite cable 4 and the external module requires the operator to press hard, and then the crimping plate 2 is moved to achieve a fixed connection with the housing 3, which is compared with the crimping plate 2 and the housing 3. In the case of the card connection, the operation is inconvenient.
  • the PCB board 10 is disposed in the module cavity. Generally, electronic components are disposed on the PCB 10 to implement the functions of the external modules. Referring again to FIG. 1, the PCB 11 is provided with an antenna 11 for signal transmission or reception.
  • the optical composite cable 4 is provided with an external optical fiber 8.
  • the optical circuit 7 can be connected to the external optical fiber 8 on the PCB.
  • the external optical fiber 8 is connected to the optical module 7 to form an optical path.
  • the connection mode of the external optical fiber 8 and the optical module 7 may be a method of grinding the butt joint at the tail end of the external optical fiber 8, and then cold-bonding or hot-melt the butt joint, and the external optical fiber 8 may also be assisted by the optical docking device 9. It is connected to the optical module 7.
  • the first power take-off member and the second power take-off member are electrically connected to the PCB board 10.
  • the first power take-off member is disposed opposite to the live wire cable
  • the second power take-off member is disposed opposite to the ground wire cable.
  • the crimping plate 2 is used to press the optoelectric composite cable 4 such that the first power take-off member and the live wire and the second power take-off member are in contact with the metal inner core of the ground wire to realize an electrical path.
  • the external module includes the cover plate 1
  • the crimping plate 2 is in close contact with the inner surface of the cover plate 1 facing the inner cavity of the module, so that the cover plate 1 exerts a more balanced and more effective application to the crimping plate 2. pressure.
  • the crimping plate 2 is pressed more strongly by the pressure of the cover plate 1 to make the first power take-off member more stable with the metal inner core and the second power take-off member of the live wire cable.
  • the metal core of the ground cable realizes an electrical path.
  • the power take-off member and the second power take-off member disposed opposite to the ground cable are in contact with the metal core of the corresponding cable, and the first power take-off member and the second power take-off member are electrically connected to the PCB board 10, and further An electrical path is achieved by contacting a power take-off with the live wire and the second power take-off to the metal core of the ground wire.
  • the external optical fiber 8 is connected to the optical module 7, and the first power take-off component and the live power cable and the second power take-off component are in contact with the metal inner core of the ground cable to finally realize the photoelectric connection between the external module and the photoelectric composite cable.
  • the metal inner core of the corresponding position of the cable 4 is in contact, and the plastic outer sheath 41 of the photoelectric composite cable 4 may have three mutually isolated cable routing areas, which are a cable area, a fire line area and a ground line area, respectively.
  • the optical cable 42 is disposed in the cable area
  • the live wire 43 is disposed in the live line area
  • the ground cable 44 is disposed in the ground line.
  • the isolation distribution of the cable routing area enables the optical cable 42, the live cable 43 and the ground cable 44 to be isolated, thereby avoiding mutual interference between the three cables.
  • the manner of the isolation distribution can solve the problem that the first power take-off member and the second power take-off member cannot accurately penetrate into the cable to take power.
  • the perforations 302 on the casing 3 coincide with the outer shape of the optoelectric composite cable 4.
  • the crimping plate 2 has a recess 201 (shown in Figures 4 and 2) that is adapted to the optoelectric composite cable 4.
  • the live wire cable and the ground wire cable are symmetrically distributed on both sides of the optical cable in the photoelectric composite cable 4, and correspondingly, the first power take-off member and the second power take-off member are respectively disposed on both sides of the casing 3.
  • the first power take-off member and the second power take-off member can be powered by the force of the power to realize the electrical path, that is, the first power take-off member and the second power take-off member are inserted into the device.
  • the first power take-off member and the second power take-off member are both fixed to the casing 3 through the tray, and the portions of the two that pass through the top surface of the tray are the intrusion portions, and the intrusion portion is used to penetrate the live wire or the ground wire. Cable, and then achieve power.
  • the terminal 6 is for electrical connection with the PCB board 10.
  • the power take-off member shown in FIG. 1 is the second power take-off member, the second power take-off member is fixed on the casing 3 through the tray 13, and the plunging portion 14 is used for taking power, and the head end of the second power take-off member (in the figure) Not shown) is electrically connected to the PCB board 10.
  • the tray is a support member of the first power take-off member or the second power take-off member, and the first power take-off member and the second power take-off member are electrically connected to the PCB board 10
  • the connection is such that the intrusion portion is electrically connected to the PCB board 10 after being powered.
  • One of the first power take-off member and the second power take-off member is electrically connected to the live wire cable and then passed through the PCB board 10 and then the ground wire is passed through the other to realize the electrical path.
  • the intrusion portion is preferably a power take-off probe or a power take-off knife.
  • the intrusion portions may be plural and arranged in a row along the extending direction of the live wire or the ground cable.
  • both the first power take-off member and the second power take-off member can be energized by clamping the metal core of the live wire and the ground cable to achieve an electrical path.
  • the operator needs to peel off the outer skin of the live wire and the ground cable in advance at the position corresponding to the first power take-off member and the second power take-off member, and expose the metal inner core.
  • the first power take-off member and the second power take-off member are both fixed to the casing 3 through the tray, and the portions of the two that pass through the top surface of the tray are the clamping portion 15 and the clamping portion.
  • 15 Used to clamp the metal core of the live wire or ground cable to achieve power.
  • the clamping portion 15 can be a clamping clip.
  • the external module shown in Figs. 19 and 20 differs from the external module shown in Figs. 3 and 4 only in the holding portion 15 and the plunging portion 12. For other structures of the external modules shown in FIG. 19 and FIG. 20, reference may be made to related descriptions of other parts of the present document, and details are not described herein.
  • the first power take-off component and the second power take-off component may be multiple, and some of the first power take-off component and the second power take-off component may be the intrusion part of the top surface of the tray (for example, The probe or the electric cutter), the other parts of the first power take-off and the second power take-off that pass through the top surface of the tray may be a clamping portion, that is, a combination of the plunging portion and the clamping portion, such as a probe and a clip. Hold the clips together.
  • the connection is usually a rigid metal part.
  • the embodiment of the present invention provides that the head end of the first power take-off member and the second power take-off member connected to the PCB board 10 has a spring probe for adjusting the length of the connection.
  • the spring probe realizes the expansion and contraction of the head ends of the first power take-off member and the second power take-off member by telescopic expansion, thereby changing the connection length of the first power take-off member and the second power take-off member.
  • the tip end can be electrically connected to the PCB 10 by spring probe adjustment.
  • the spring probe makes the head end of the first power take-off member and the second power take-off member into a telescopic function component, and the structure can also reduce the connection portion to the PCB board of the crimping plate 2 in the process of pressing the photoelectric composite cable
  • the applied force of 10 further solves the problem that the connecting member applies a large force to the PCB board 10 to cause the electronic components on the PCB board 10 to be easily damaged.
  • the crimping plate 2 in the process of connecting the external module provided by the embodiment to the optoelectric composite cable 4, the crimping plate 2 is opened, and the crimping plate 2 is pressed to realize the first power take-off member and the second power take-off member.
  • the power is connected to the metal core of the live cable of the optoelectronic composite cable 4 and the ground cable to realize power supply.
  • the operator connects the external fiber to the optical module to realize the optical path.
  • the above power-taking mode facilitates power taking, simplifies the power take-off wiring, and finally improves the wiring efficiency, and can solve the problem of low connection efficiency of the external device and the photoelectric composite cable in the background art.
  • the external module provided in this embodiment can be fixed together with the opto-electric composite cable 4, so that the external module directly attaches to the outside of the opto-electric composite cable 4, so as to be relatively fixed with the opto-electric composite cable 4, and no additional fixing device is needed, thereby reducing the occupied space.
  • the operator can finely adjust the position of the external module by bending or arranging the photoelectric composite cable 4 to achieve better use effect, that is, adjusting the external module by adjusting the photoelectric composite cable 4.
  • the location can be easily optimized for local use.
  • the external optical fiber 8 can be formed At any position of the optoelectric composite cable 4, the outer elongation of the external optical fiber 8 can be adjusted as needed.
  • the on-site construction personnel can reasonably determine the position and length of the external fiber 8 according to the design of the construction site, and is suitable for various complicated field wiring environments. It can be seen that the external module provided by the present invention can improve the flexibility of the connection of the opto-electric composite cable 4 and the external device, and finally can solve the problem that the position setting or the variation of the external device is not flexible enough.
  • FIG. 5 shows the photoelectric composite cable provided by the embodiment of the present invention. The first structure. The optoelectric composite cable shown in FIG.
  • the molded outer sheath 41 has the same composition as a conventional opto-electric composite cable, and includes a molded outer sheath 41, a fiber optic cable 42, a live wire 43 and a ground cable 44.
  • the molded outer sheath 41 is a peripheral protective member of the entire optoelectric composite cable for protecting the live wire 43, the ground cable 44, and the cable 42.
  • the molded outer sheath 41 is a peripheral connecting member that integrates the live wire cable 43, the ground cable 44, and the optical cable 42 into an integrated cable.
  • the outer jacket 41 can be made of PVC (Polyvinyl chloride), LSZH (Low Smoke Zero Halogen) or PE (Po lyethylene).
  • the outer jacket 41 can also be made of other materials that can be used to make the cable sheath. This embodiment does not limit the material of the outer jacket 41.
  • the outer sheath 41 has three cable-separating regions which are isolated from each other, and are respectively a cable region, a firewire region and a ground region.
  • the optical cable 42 is disposed in the cable area
  • the live wire 43 is disposed in the live line region
  • the ground cable 44 is disposed in the ground line.
  • the isolation distribution of the cable routing area enables the optical cable 42, the live cable 43 and the ground cable 44 to be isolated, thereby avoiding mutual interference between the three cables.
  • the manner of the isolation distribution can solve the problem that the first power take-off member and the second power take-off member cannot accurately contact the metal inner core of the cable in the photoelectric composite cable.
  • the center line of the cable area, the live line area and the ground line area are located in the same plane, and the cable area is located between the live line area and the ground line area.
  • the live line area and the ground line area are symmetrically distributed on both sides of the cable area.
  • the outer dimensions of the cable section are larger than the outer dimensions of the live zone and the ground zone, and the outer dimensions of the live zone and the ground zone are equal (the outer dimension refers to the largest dimension of the outer profile).
  • the fire line area and the ground line area are symmetrically distributed on both sides of the cable area, which can balance the pulling force on both sides of the cable, so that the moving speed of the pulling on both sides of the cable is equal or small, and finally the photoelectric composite cable is pulled.
  • the thickness of the sealing on both sides of the cable is relatively uniform. This can improve the quality of the optoelectric composite cable.
  • the optoelectronic composite cable provided by the present invention adopts a regionally isolated layout such that two relatively independent cables can function as reinforcing ribs without transmitting their own torque to the relatively fragile optical fibers.
  • the structure of the live wire 43 and the ground cable 44 may be the same, in which case the outer skins of the two may be provided with respective cable identifications.
  • the cable identification is used to distinguish the live cable 43 from the ground cable 44. In turn, the cable misconnection rate is reduced.
  • the cable identification can be a text mark or a color mark (for example, the outer skin of the live wire is red, and the outer surface of the ground cable is black).
  • the cable identification is preferably provided at a portion of the outer surface of the molded outer sheath 41 corresponding to the live wire 43 and the ground cable 44.
  • fiber optic cable 42 typically contains a number of fibers.
  • the cable identification can distinguish between the ground cable 44 and the live cable 43, and the ground cable 44 and the live cable 43 can be distinguished from the cable 42 by external dimensions. If the corresponding parts of the live wire cable 43, the ground cable 44, and the optical cable 42 and the outer sheath 41 are indistinguishable (that is, the outer dimensions of the three opposite portions are equal or equivalent), this not only causes misconnection of the cable. The rate is higher, and it also leads to a higher misconnection rate of the cable.
  • Both the live wire 43 and the ground cable 44 may include a copper core wire 431 and an insulating sheath 432.
  • the insulating sheath 432 is wrapped around the copper core wire 431 for insulating the isolated copper core wire 431.
  • the firewire cable 43 and the ground cable 44 may also be of other types of metal core wires, and are not limited to copper core wires.
  • the insulating sheath 432 can be made of a PVC material, a LSZH material, or a PE material. I.
  • the actual outer diameter of the insulating sheath 432 is 3. 6mm 0 in practice.
  • the outer diameter of the insulating sheath 432 is 3. 6mm 0 in practice.
  • the number of squares of the copper core wires 431 is in one-to-one correspondence with the outer dimensions of the insulating jacket 432, and is not limited to the above dimensions.
  • the optical cable 42 includes a tight-fitting optical fiber and a tight-fitting optical fiber sheath 423.
  • a tight-fitting fiber is a type of fiber that is a common fiber formed by protecting an optical fiber.
  • the tight-fitting optical fiber in this embodiment is a single-core tight-fitting optical fiber 421. 9 ⁇
  • the standard outer diameter of the single-core tight-fitting optical fiber 421 is 0. 9mm.
  • the tight-fitting optical fiber sheath 423 is used to protect the single-core tight-fitting optical fiber 421, which may be made of PVC material, LSZD material or PE material. According to industry internal standards, the thickness of the tight fiber sheath 423 is typically 2 mm.
  • the cable 42 may further include a tensile reinforcement layer 422 that is filled between the single-core sleeve fiber 421 and the tight-foil fiber sheath 423.
  • the tensile reinforcing layer 422 may be an aramid yarn layer made of aramid yarn or a glass yarn layer made of glass yarn. This embodiment does not limit the material of the tensile reinforcement layer 422.
  • At least one of the single-core tight-fitting optical fibers 421 of the optical cable is used as an outgoing optical fiber for connecting to the optical module of the external module.
  • at least one of the single-core tight-fitting optical fibers 421 is used as the lead-out optical fiber, and the lead-out optical fiber is led from the inside of the opto-electric composite cable to the outer sheath 41 for connecting the external module.
  • the fiber is taken out, and the outer portion of the sealed outer sheath 41 opposite to the cable area is provided with a cut-off port for cutting off the lead-out optical fiber and a set distance separating from the cut-off port, and an optical fiber extraction slit for extracting the lead-out optical fiber.
  • the cut-off port and the fiber extraction slit may be a transverse slit (ie, along the radial direction of the photoelectric composite cable), or may be a longitudinal slit (ie, along the extending direction of the optoelectric composite cable).
  • the cut-off port and the optical fiber are extracted.
  • the incision may also be a beveled incision between the transverse incision and the longitudinal incision.
  • the outer sheath 41 is cut at any position to form a cut-off port, and then the lead-out fiber is cut through the cut-off port while keeping the tensile reinforcement layer 422 intact, and then at the cut-off port.
  • the sealed outer sheath 41 is cut at a set distance to form an optical fiber extraction slit for extracting the cut-out lead fiber.
  • the lead fiber is cut off to form a front end fiber and a back end fiber.
  • the front end fiber is a length of fiber that connects the fiber to the signal source, and the back fiber is a piece of fiber that is left after the fiber is removed to remove the front fiber.
  • the optoelectric composite cable 4 provided in this embodiment may further include a cut-off protection cover disposed at the cut-off port and an extraction slit guard sleeve for extracting the optical fiber.
  • the cut-off protective cover and the extracted cut-out protective cover may be integrated or integrated, or may be a split structure.
  • the above-mentioned cut-off port and the fiber-extracting slit can be protected by a protective sleeve after the cutting and extracting of the optical fiber is completed, or can be closed by other processes (for example, a bonding process such as tape or glue) for protection.
  • the cut-off port and the fiber extraction slit may be a slit formed by continuous cutting, which is convenient for operation.
  • the external fiber can be connected to the optical module of the external module through the pigtail cold-bonding or hot-melt docking to form an optical path, or the fiber can be connected by a pigtail cold-bond or hot-melt connection, and then through the fiber.
  • connection flange is connected in a manner to the optical module 7 of the external module to form an optical path.
  • the first power take-off member and the second power take-off member are respectively inserted into the cables on both sides of the photoelectric composite cable 4, and finally the photoelectric composite cable 4 and the external module form an electrical path.
  • the photoelectric composite cable 4 can be protected by using the outer casing 3 of the external module or a separate protective casing instead of the cut-off protective cover and the extraction slit protective sleeve.
  • FIGS. 6-8 There are many ways to extract the optical fiber to form the external optical fiber, and the following is exemplarily described in detail in several ways as shown in FIGS. 6-8. Please refer to FIG.
  • the so-called bundle straight-through application mode refers to that the front-end fiber 45 formed after each of the lead-out fibers is directly connected to an external module, and the number of the fiber-optic cutouts corresponding to each of the lead-out fibers is one, and the fiber extraction slit and the cut-off port are located at the front end.
  • the front end optical fiber 45 is taken out and connected as an external optical fiber to the external module. In this mode, after the lead fiber is cut off, the front end fiber 45 is utilized and the back end fiber is discarded.
  • This mode is more suitable for an opto-electric composite cable having a plurality of single-core tight-fitting optical fibers 421.
  • the leading end fiber 45 of the lead-out fiber is attached to the surface of the molded outer sheath 41 from the portion where the fiber exiting the slit.
  • a groove A is formed between the portion of the outer sheath 41 that is opposite to the cable region and the live line region, and the portion of the outer sheath 41 that is opposite to the cable region and the ground region. 45 is attached to the groove A to achieve a better arrangement of the lead-out fiber, and the damage of the external fiber can be avoided.
  • the optoelectric composite cable 4 of the present embodiment further includes a fixing portion for guiding the lead-out optical fiber out of the optical fiber extraction cutout portion to the groove.
  • the front end optical fiber 45 may be affixed to the outer plastic sheath 41 by a protective plastic film or a protective adhesive tape, or may be adhered to the outer plastic sheath 41 by a protective adhesive.
  • different single-core tight-fitting optical fibers 421 can be respectively taken out as the lead-out optical fibers at other different positions of the optoelectric composite cable 4, and the same operation is performed to form an external optical fiber connected to the external module.
  • FIG. 7 shows the structure of the opto-electric composite cable shown in FIG. 5 adopting the distributed shunt application mode.
  • the number of single-core tight-fitting optical fibers 421 is small, and in particular, when there is only one functional single-core tight-fitting optical fiber 421, a distributed shunt application mode is usually adopted.
  • the fiber extraction slit corresponding to each of the lead fibers 413 includes a front end fiber extraction slit and a rear end fiber extraction slit respectively located on both sides of the cutoff port.
  • the front end fiber 4131 passes through the front end fiber extraction slit
  • the rear end fiber 4132 passes through the rear end fiber extraction slit.
  • the opto-electric composite cable further includes an optical splitter 411 connected to the front end optical fiber 4131.
  • the optical splitter 411 can be a PLC optical splitter.
  • the front end optical fiber 4131 may be connected to the optical splitter 411 by means of pigtail cold connection or hot melt, or may be connected to the optical splitter 411 by cold junction or hot melt connection of the optical fiber connection flange.
  • the optical splitter 411 divides the front end optical fiber 4131 into a main path optical fiber 4112 and a branch optical fiber 4111.
  • the main path fiber 4112 is docked with the rear end fiber 4132 to form an optical signal path.
  • both can be cooled by pigtails. Connect or hot melt butt, or use cold or hot melt to connect the fiber to the flange 412 and then dock.
  • the branch fiber 4111 is used as an external fiber for subsequent docking of the external module.
  • the branch optical fiber 4111 can be attached to the optical cable area and the live line area of the plastic outer sheath 41, or the groove A formed by the corresponding area of the optical cable area and the ground line area, so as to achieve better arrangement.
  • the optoelectric composite cable 4 of the present embodiment further includes a fixing portion for guiding the lead-out optical fiber 413 through the optical fiber extraction cutout portion to be fixed to the groove.
  • the branch fiber 4111 may be affixed to the outer sheath 41 by a protective plastic film or a protective tape, or may be adhered to the outer sheath 41 by a protective adhesive.
  • the distributed shunt application mode can also perform the same operation on the same root lead-out fiber 413 at other different locations of the optoelectric composite cable.
  • the number of times the same outgoing fiber is externally connected is related to the receiving sensitivity and the docking loss of the optical module of the external module, and is not infinite.
  • the optoelectric composite cable shown in FIG. 7 may further include a cut-off guard sleeve 410 disposed at the cut-off port, a front end of the front end fiber extraction slit, and a cut-out slit guard sleeve 49 and a rear end fiber extraction slit. The rear end pulls out the slit guard 48.
  • the cut-off guard sleeve 410, the front end withdrawal slit guard sleeve 49 and the rear end withdrawal slit guard sleeve 48 may be integrated or integrated, or may be a split structure. Please refer to FIG. 8.
  • FIG. 8 shows the structure of the photoelectric composite cable shown in FIG. 5 adopting the shunt module through-application mode. The shunt mode through mode is not affected by the number of single-core bushings 421 in the opto-electric composite cable.
  • the fiber extraction cutout corresponding to each of the lead-out fibers 417 includes a front-end fiber extraction slit and a rear-end fiber extraction slit respectively located at two sides of the cut-off port, and the front-end fiber 4172 is taken out from the front-end fiber extraction slit for light-carrying
  • the inputs of the external modules of the splitter are connected.
  • the rear end fiber 4171 is cut out from the rear end fiber for connecting with the output end of the external module with the optical splitter, and the front end optical fiber 4172 is divided and banded by the optical splitter in the external module with the optical splitter.
  • the front end fiber 4172 and the rear end fiber 4171 are both led out of the outer sheath 41.
  • the front end optical fiber 4172 and the rear end optical fiber 4171 can be attached to the optical cable area and the live line area of the plastic outer sheath 41, or the groove A formed by the corresponding part of the optical cable area and the ground line area, so as to realize the front end optical fiber 4172. Better arrangement with the back end fiber 4171.
  • the opto-electric composite cable of the embodiment further includes a fixing portion for guiding the lead-out optical fiber 417 out of the optical fiber extraction cutout portion, and the front end optical fiber 4172 and the rear end optical fiber 4171 can pass through a protective plastic film or a protective adhesive tape. Wrapped in the outer jacket 41 of the seal, or It is adhered to the outer sheath 41 by a protective adhesive.
  • the front end fiber 4172 and the input end of the external module with the optical splitter can be connected by cold-wire or hot-melt butt or cold-melt or fiber-optic connection.
  • the output of the back end fiber 4171 and the external module can also be connected in the above manner.
  • the optoelectric composite cable 4 shown in FIG. 8 may further include a cut-off guard sleeve 415 disposed at the cut-off port, a front end extraction slit guard sleeve 416 of the front end fiber extraction slit, and a rear end fiber extraction.
  • the slit guard sleeve 414 is withdrawn from the rear end of the slit.
  • the cut-off guard sleeve 415, the front end withdrawal slit guard 416 and the rear end withdrawal slit guard 414 may be integrated or integrated, or may be a split structure.
  • FIG. 9 shows a photoelectric composite cable of a second structure according to an embodiment of the present invention.
  • the optoelectric composite cable shown in Fig. 9 may further include a reinforcing rib 418 disposed at the center of the cable area for enhancing the tensile properties of the optoelectric composite cable 4.
  • the single-core tight-fitting optical fiber 421 is a plurality of strips and is evenly distributed around the reinforcing ribs 418, which can reduce the wiring stress of the entire optoelectric composite cable 4.
  • FIG. 10 shows a photoelectric composite cable of a third structure according to an embodiment of the present invention.
  • the 10 may further include a plurality of reinforcing cords 419 which are discretely distributed between the plurality of single-core sleeve fibers 421 to improve the tensile properties of the entire optoelectric composite cable.
  • the reinforcing cord 419 can be made of a material such as a polyester tape, a tin foil tape, aramid yarn, or a glass fiber yarn.
  • the reinforcing rib 419 may also include a reinforcing inner core and an insulating sheath wrapped around the reinforcing inner core, and the reinforcing inner core mainly functions as a tensile force.
  • the insulating sheath is used to block electricity, and at the same time, it can ensure a certain flexibility of the entire photoelectric composite cable.
  • the reinforcing inner core can be a single-core or multi-core steel wire to ensure tensile strength, and the steel wire can also make the entire photoelectric composite cable have better flexibility.
  • the reinforcing core of the reinforcing cord 419 described above may also be made of a non-metallic material. It can be seen from the above description that the sealing outer sheath 41 of the optoelectric composite cable 4 provided in this embodiment is provided with a cut-off port and an optical fiber extraction slit at a portion opposite to the cable region, thereby realizing the interception and extraction of the lead-out optical fiber. The front end fiber formed after the fiber is cut off passes through the fiber extraction slit to form an external fiber for connection with the external module.
  • the forming position of the external optical fiber is not limited to the end of the cable, and can be taken out at any position of the photoelectric composite cable according to a specific wiring environment, thereby realizing quick docking of the external module to form an optical path.
  • On-site construction personnel can reasonably determine the position and length of the external fiber according to the design of the construction site, making the photoelectric composite cable suitable for various complicated field wiring environments.
  • the opto-electric composite cable provided in this embodiment can improve the flexibility of the connection between the opto-electric composite cable and the external module, and can improve the adaptability of the network cabling system to the construction site.
  • the power take-up pin or cutter of the external module and the reasonable light path protection structure can make the external module directly attached to the outside of the photoelectric composite cable, so that it is relatively fixed with the cable, and no additional fixing device is needed, thereby reducing the occupied space.
  • the operator can fine-tune the position of the external module by bending or coiling the photoelectric composite cable to achieve better use effect, that is, the position of the external module can be adjusted by adjusting the cable, which is convenient. Local optimization uses the effect.
  • the optoelectric composite cable 4 in this embodiment adopts a single-core tight-set optical fiber 421, that is, the optical fiber in the optical cable 42 is a single single-core tight-fitting optical fiber 421.
  • the sealed outer sheath 41 of the optoelectric composite cable provided in this embodiment has a cable area, a fire line area and a ground line area separated from each other, and the above three areas are isolated and distributed to realize the live wire 43 , the ground cable 44 and the optical cable 42 .
  • the isolation arrangement so that the photoelectric connection work can be carried out separately, and does not affect each other, and finally can solve the problem that the cable and the optical cable are separately connected by the cable and the optical cable are twisted together.
  • the ground cable 44 and the live wire 43 are symmetrically distributed on both sides of the cable area, which can make the manufacturing process of the photoelectric composite cable simpler and more reasonable, improve the consistency of the cross section of the photoelectric composite cable, and at the same time, the symmetric distribution of the cable also makes The structure of the outer sheath 41 is more stable, and the tensile strength and the torsion resistance of the optoelectric composite cable 4 can be more effectively improved.
  • the structure of the optoelectric composite cable system provided in this embodiment can make the process of manufacturing the optoelectric composite cable 4 It is more simple and reasonable, and the structure of the photoelectric composite cable 4 is more advantageous for taking power from the first power take-off member and the second power take-off member. Referring to FIG. 11, FIG. 11, FIG.
  • FIG. 11 shows a photoelectric composite cable of a fourth structure according to an embodiment of the present invention.
  • the center line of the cable area, the fire line area and the ground line area formed by the outer sheath 41 is located in the same plane, and the ground line area is located between the cable area and the live line area. That is, the ground cable 44 is located between the optical cable 42 and the live wire 43.
  • the center line of the cable area, the fire line area and the ground line area of the photoelectric composite cable are located in the same plane, and the fire line area is located between the cable area and the ground line area.
  • the photoelectric composite cable differs from the above-mentioned photoelectric composite cable only in the position of the fire line area and the ground line area.
  • the opto-electric composite cable shown in FIG. 11 is only different from the distribution manner of the optical cable, the live wire and the ground wire in the aforementioned opto-electric composite cable.
  • FIG. 12-14 are different forms of the external optical fiber formed by the optical fiber. Specifically, the manner in which the optical fiber is drawn in the optoelectronic composite cable 4 in FIG. 12-14 to form an external optical fiber is shown in FIG. 6
  • FIG. 8 refer to the description of the corresponding parts in the foregoing, and details are not described herein. Referring to FIG. 15, FIG. 15, FIG. 15, FIG.
  • the live line region and the ground line region formed by the outer sheath 41 are symmetrically distributed on both sides of the cable region (ie, the live wire 43 and the ground cable 44 are symmetrically distributed on the cable 42).
  • the center line of the line connecting the center line of the live line area and the center line of the cable area to the center line of the ground line area is connected to the center line of the cable area
  • the angle of the second line where the line is located is greater than 0 degrees and less than 180 degrees.
  • the outer dimensions of the cable section are larger than the outer dimensions of the live zone and the ground zone, and the outer dimensions of the live zone and the ground zone are equal.
  • the fire line area and the ground line area are symmetrically distributed on both sides of the cable area, which can balance the pulling force on both sides of the cable 42, so that the moving speed of the pulling on both sides of the cable 42 is equal or small, and finally the photoelectric composite cable is guaranteed.
  • the thickness of the sealing on both sides of the cable is relatively uniform, which can improve the quality of the photoelectric composite cable.
  • the opto-electric composite cable shown in FIG. 15 is only different from the distribution of the optical cable, the live wire and the ground wire in the aforementioned opto-electric composite cable. Please refer to FIGS.
  • FIGS. 16-18 are different ways of drawing the optical fiber to form the external optical fiber.
  • the form, the specific way of drawing the optical fiber in the optoelectronic composite cable 4 in FIG. 16-18 to form the external optical fiber is the same as that shown in FIG. 6-8, and the description of the corresponding part is as described above.
  • the first power take-off component of the external module is opposite to the live wire cable, and the second power take-off component and the ground wire are opposite.
  • the cables are opposite, and thus the power is taken, so the external module only needs to change the positions of the first power take-off and the second power take-off.
  • the shape of the outer plastic sheath 41 corresponding to the cable region, the fire line region and the ground region can be other shapes, and is not limited.
  • the perforations at the ends of the housing 3 of the external module should be adapted to the outer shape of the optoelectronic composite cable. More preferably, the perforations at both ends of the housing 3 are engaged with the optoelectronic composite cable, that is, the opening of the perforation is a bayonet.
  • this embodiment does not limit the spacing between adjacent two isolation zones in the cable zone, the live zone, and the ground zone. That is, two adjacent isolation zones may be adjacent to each other or may be separated by a long distance. The spacing between two adjacent isolation regions is achieved by the outer jacket 41.
  • the embodiments of the present invention described above are not intended to limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and scope of the invention are intended to be included within the scope of the invention.

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Abstract

La présente invention porte sur un système de câble composite optique-électrique comportant un câble composite optique-électrique (4) et au moins un module externe. Chaque module externe comporte un boîtier (3), une carte de circuit imprimé (PCB) (10), un premier élément d'extraction de puissance, un second élément d'extraction de puissance et une plaque de pression de câble (2). Des entailles sont ménagées au niveau de chaque extrémité du boîtier. Les entailles et la plaque de pression de câble constituent un trou traversant par lequel le câble composite optique-électrique passe. Le plaque de pression de câble (2) et le boîtier (3) forment une cavité de module. La PCB (10) est disposée à l'intérieur de la cavité de module. Un câble optique du câble composite optique-électrique (4) est pourvu d'une fibre optique externe. Un module optique est disposé sur la PCB (10). Le module optique et la fibre optique externe sont connectés pour former un chemin optique. Le premier élément d'extraction de puissance et le second élément d'extraction de puissance sont connectés électriquement à la PCB (10) et sont respectivement agencés à l'opposé d'un câble de fil sous tension et d'un câble de fil de mise à la terre du câble composite optique-électrique. Le plaque de pression de câble presse de façon étanche le câble composite optique-électrique pour permettre au premier élément d'extraction de puissance de venir en contact avec un noyau métallique du câble de fil sous tension et au second élément d'extraction de puissance avec un noyau métallique du câble de fil de mise à la terre, mettant ainsi en œuvre un chemin électrique. La solution décrite résout le problème d'un faible rendement en connectant un dispositif externe au câble composite optique-électrique et d'une flexibilité insuffisante en réglant ou changeant la position du dispositif externe.
PCT/CN2014/079958 2014-06-16 2014-06-16 Système de câble composite optique-électrique WO2015192296A1 (fr)

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